II Review | ConstantsA point charge of -3.00 µC is located in the center of aspherical cavity of radius 6.80 cm inside an insulatingspherical charged solid. The charge density in the solid is7.35 x 10 4 C/m³.Part ACalculate the magnitude of the electric field inside the solid at a distance of 9.30 cm from the center of the cavity.Express your answer with the appropriate units.HAE =ValueUnitsSubmitPrevious Answers Request AnswerX Incorrect; Try Again; 4 attempts remainingPart BFind the direction of this electric field.O radially outwardO radially inward A hallow, conducting sphere with an outer radius of 0.240 m and an inner radius of 0.200 m has a uniform surfacecharge density of +6.17 x 10C/m. A charge of -0.900 uCis now introduced into the cavity inside the sphere.• Part AWhat is the new charge density on the outside of the sphere?Express your answer with the approprlate units.O (9?ValueUnitsSubmitPrevlout Answere ReguestAnswerX Incorrect; Try Again; 2 attempts remainingPart BCalculate the strength of the electric field just outside the sphere.Express your anawer with the appropriate units.O IME-ValueUnitsSubmitRequest Answer• Part CWhat is the electric flux through a spherical surface just inside the inner surface of the sphere?Express your anewer with the appropriate units.ValueUnitsSubmitRequect AnswerProvide Feedback

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A point charge of -3.00 µC is located in the center of a spherical cavity of radius 6.80 cm inside an insulating spherical charged solid. The charge density in the solid is 7.35 x 10 4 C/m2. Part A Calculate the magnitude of the electric field inside the solid at a distance of 9.30 cm from the center of the cavity. Express your answer with the appropriate units. HA ? E = Value Units Submit Previous Answers Request Answer X Incorrect; Try Again; 4 attempts remaining Part B Find the direction of this electric field. O radially outward O radially inward

A point charge of -3.00 µC is located in the center of a spherical cavity of radius 6.80 cm inside an insulating spherical charged solid. The charge density in the solid is 7.35 x 10 4 C/m2. Part A Calculate the magnitude of the electric field inside the solid at a distance of 9.30 cm from the center of the cavity. Express your answer with the appropriate units. HA ? E = Value Units Submit Previous Answers Request Answer X Incorrect; Try Again; 4 attempts remaining Part B Find the direction of this electric field. O radially outward O radially inward

Physics for Scientists and Engineers

10th Edition

ISBN:9781337553278

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter23: Continuous Charge Distributions And Gauss's Law

Section: Chapter Questions

Problem 5P: Example 23.3 derives the exact expression for the electric field at a point on the axis of a...

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Example 23.3 derives the exact expression for the electric field at a point on the axis of a uniformly charged disk. Consider a disk of radius R = 3.00 cm having a uniformly distributed charge of +5.20 C. (a) Using the result of Example 23.3, compute the electric field at a point on the axis and 3.00 mm from the center. (b) What If? Explain how the answer to part (a) compares with the field computed from the near-field approximation E = /20. (We derived this expression in Example 23.3.) (c) Using the result of Example 23.3, compute the electric field at a point on the axis and 30.0 cm from the center of the disk. (d) What If? Explain how the answer to part (c) compares with the electric field obtained by treating the disk as a +5.20-C charged particle at a distance of 30.0 cm.
A nonconducting, thin plane sheet of charge carries a uniform charge per unit area of 5.20 C/m2 as in Figure 15.30. (a) Find the electric field at a distance of 8.70 cm from the plate. (b) Explain whether your result changes as the distance from the sheet is varied.
A thin, square, conducting plate 50.0 cm on a side lies in the xy plane. A total charge of 4.00 108 C is placed on the plate. Find (a) the charge density on each face of the plate, (b) the electric field just above the plate, and (c) the electric field just below the plate. You may assume the charge density is uniform.
A thin, square, conducting plate 50.0 cm on a side lies in the xy plane. A total charge of 4.00 108 C is placed on the plate. Find (a) the charge density on each face of the plate, (b) the electric field just above the plate, and (c) the electric field just below the plate. You may assume the charge density is uniform.
Suppose the electric field of Quick Quiz 15.7 is tilted 60 away from the positive z-direction. Calculate the magnitude of the flux through the same area. (a) 0 (b) 10.0 N m2/C (c) 20.0 N m2/C (d) More information is needed
A 10cm10cm piece of aluminum foil of 0.1 mm thickness has a charge of that spreads on both wide side surfaces evenly. You may ignore the charges on the thin sides of the edges. (a) Find the charge density. (b) Find the electric field 1 cm from the center, assuring approximate planar symmetry.
The electric field everywhere on the surface of a thin, spherical shell of radius 0.750 m is of magnitude 890 N/C and points radially toward the center of the sphere. (a) What is the net charge within the spheres surface? (b) What is the distribution of the charge inside the spherical shell?
In which of the following contexts ran Gausss law not be readily applied to find the electric field? (a) near a long, uniformly charged wire (b) above a large, uniformly charged plane (c) inside a uniformly charged ball (d) outside a uniformly charged sphere (e) Gausss law can be readily applied to find the electric field in all these contexts.
Suppose the conducting spherical shell of Figure 15.29 carries a charge of 3.00 nC and that a charge of -2.00 nC is at the center of the sphere. If a = 2.00 m and b = 2.40 m. find the electric field at (a) r = 1.50 m, (b) r = 2.20 m, and (c) r = 2.50 m. (d) What is the charge distribution on the sphere?
A cubical gaussian surface is bisected by a large sheet of charge, parallel to its top and bottom faces. No other charges are nearby. (i) Over how many of the cubes faces is the electric field zero? (a) 0 (b) 2 (c) 4 (d) 6 (ii) Through how many of the cubes faces is the electric flux zero? Choose from the same possibilities as in part (i).
Two large rectangular aluminum plates of area 150 cm2 face each other with a separation of 3 mm between them. The plates are charged with equal amount of opposite charges, 20C . The charges on the plates face each other. Find the flux through a circle of radius 3 cm between the plates when the normal to the circle makes an angle of 5o with a line perpendicular to the plates. Note that this angle can also be given as 180o + 5o.